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# 11.9: Solving Equations Using the Pythagorean Theorem

Difficulty Level: At Grade Created by: CK-12
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Practice Solving Equations Using the Pythagorean Theorem

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Estimated8 minsto complete
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Estimated8 minsto complete
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### Vocabulary Language: English

Hypotenuse

The hypotenuse of a right triangle is the longest side of the right triangle. It is across from the right angle.

Legs of a Right Triangle

The legs of a right triangle are the two shorter sides of the right triangle. Legs are adjacent to the right angle.

Pythagorean Theorem

The Pythagorean Theorem is a mathematical relationship between the sides of a right triangle, given by $a^2 + b^2 = c^2$, where $a$ and $b$ are legs of the triangle and $c$ is the hypotenuse of the triangle.

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